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1. Consider the induced fission of 235U to form 2 fission fragments, 2 prompt fission neutrons wi...
3. Consider a thermal neutron induced fission in 235U that leads to production of the ission fragment 137Cs, three neutrons, and a second fission fragment. Assume the prompt gamma ray energy is negli...
3. Consider a thermal neutron induced fission in 235U that leads to production of the ission fragment 137Cs, three neutrons, and a second fission fragment. Assume the prompt gamma ray energy is negligible. (a) What is the atomic number of the second fission fragment? [10 pointsl (b) What is the mass number of the second fission fragment? [10 pointl (c) What is the Q-value for this reaction? [20 poins] (d) What is the Coulombic threshold for this reaction? 10 points...
The illustration shows one possible way that a nucleus of uranium-235 (235U) can undergo neutron-induced fission....
The illustration shows one
possible way that a nucleus of uranium-235 (235U) can undergo
neutron-induced fission. (a) Rank the following objects in order of
their binding energy per nucleon, from largest to smallest. If any
two objects have the same binding energy per nucleon, state this.
Explain how you made your ranking. (i) The uranium-235 (235U)
nucleus (ii) The tellurium-134 (134Te) nucleus (iii) The
zirconium-99 (99Zr) nucleus (iv) The three neutrons Activity 27-4
[continued]. (b) Using your results from part...
Activity 27-4. Nuclear fission (Accompanies Section 27-4] 1 A uranium nucleus (235U) absorbs a neutron. The...
Activity 27-4. Nuclear fission (Accompanies Section 27-4] 1 A uranium nucleus (235U) absorbs a neutron. The result is a uranium nucleus (236U) in an excited state. 3 The excited uranium nucleus fissions into two smaller, more tightly bound nuclei... ...as well as a few neutrons. These can trigger the fission of other 235U nuclei. 3 neutrons Neutron + 2350 236U 134 Te 9976 Z = 0 protons Z = 92 protons N = 1 neutron N = 143 neutrons A=Z+N...
a) Calculate the energy released in the neutron-induced fission n + 235U --> 92Kr + 142Ba...
a) Calculate the energy released in the neutron-induced fission n + 235U --> 92Kr + 142Ba + 2n given the neutron is 1.008665 u, the mass of is 235 U 235.043924 u, the mass of 92Kr is 91.926269 u, and the mass of 142Ba is 141.916361 u. b) Confirm that the total number of nucleons and total charge are conserved in this reaction. The atomic mass is 1.66053904 X 10-27 kg.
3. A fission chain reaction. a. A neutron can cause 235U to fission, producing two daughter...
3. A fission chain reaction. a. A neutron can cause 235U to fission, producing two daughter nuclei (tin and molybdenum) and three more neutrons. These three neutrons can then, in turn, cause three more 235U nuclei to split. One typical reaction is summarized as follows: n+25131Sn + 102Mo +3 n Find the energy released in this process (in MeV), given that MC3SU) 235.0439 u; M(3Sn) 130.9169 u; M(102Mo)-101.9103 u. b. Lise Meitner's work in 1938 predicted that the fission of...
Consider a fission reaction where a Uranium-235 nucleus absorbs a neutron and then splits to Strontium,...
Consider a fission reaction where a Uranium-235 nucleus absorbs
a neutron and then splits to Strontium, Xenon, and some neutrons.
If the strontium nucleus has a mass number of 89 and the Xenon
nucleus has a mass number of 144, how much energy is released in a
single reaction? Use the attached table for the atomic masses of
the nuclei. Give your answer in MeV and with 4 significant figures.
(Hint: Balance the reaction first).
Isotope Masses for Fission A...
In one fusion reaction that occurs in the cores of certain stars, a nucleus of helium-4...
In one fusion reaction that occurs in the cores of certain stars, a nucleus of helium-4 (4He, with two protons and two neutrons) fuses with a nucleus of neon-20 (20Ne, with 10 protons and 10 neutron) to form a nucleus of magnesium-24 (24Mg, with 12 protons and 12 neutrons). A gamma-ray photon (γ) is also produced: 4He + 20Ne → 24Mg + γ (a) Rank the following nuclei in order of their binding energy per nucleon, from largest to smallest....
Consider a fission reaction where a Uranium-235 nucleus absorbs a neutron and then splits to Strontium,...
Consider a fission reaction where a Uranium-235 nucleus absorbs a neutron and then splits to Strontium, Xenon, and some neutrons. If the strontium nucleus has a mass number of 93 and the Xenon nucleus has a mass number of 140, how much energy is released in a single reaction? Use the attached table for the atomic masses of the nuclei. Give your answer in MeV and with 4 significant figures. Neutron 0 1 1.008665 Uranium 92 235 235.043923 Strontium 38...
Activity 27-5. Nuclear fusion [Accompanies Section 27-5] In one fusion reaction that occurs in the cores...
Activity 27-5. Nuclear fusion [Accompanies Section 27-5] In one fusion reaction that occurs in the cores of certain stars, a nucleus of helium-4 (-He, with two protons and two neutrons) fuses with a nucleus of neon-20 (2°Ne, with 10 protons and 10 neutron) to form a nucleus of magnesium-24 (24Mg, with 12 protons and 12 neutrons). A gamma-ray photon (y) is also produced: He + 20Ne + 24 Mg + y (a) Rank the following nuclei in order of their...
3. Consider a thermal neutron induced fission in 235U that leads to production of the ission fragment 137Cs, three neutrons, and a second fission fragment. Assume the prompt gamma ray energy is negligible. (a) What is the atomic number of the second fission fragment? [10 pointsl (b) What is the mass number of the second fission fragment? [10 pointl (c) What is the Q-value for this reaction? [20 poins] (d) What is the Coulombic threshold for this reaction? 10 points...
The illustration shows one
possible way that a nucleus of uranium-235 (235U) can undergo
neutron-induced fission. (a) Rank the following objects in order of
their binding energy per nucleon, from largest to smallest. If any
two objects have the same binding energy per nucleon, state this.
Explain how you made your ranking. (i) The uranium-235 (235U)
nucleus (ii) The tellurium-134 (134Te) nucleus (iii) The
zirconium-99 (99Zr) nucleus (iv) The three neutrons Activity 27-4
[continued]. (b) Using your results from part...
Activity 27-4. Nuclear fission (Accompanies Section 27-4] 1 A uranium nucleus (235U) absorbs a neutron. The result is a uranium nucleus (236U) in an excited state. 3 The excited uranium nucleus fissions into two smaller, more tightly bound nuclei... ...as well as a few neutrons. These can trigger the fission of other 235U nuclei. 3 neutrons Neutron + 2350 236U 134 Te 9976 Z = 0 protons Z = 92 protons N = 1 neutron N = 143 neutrons A=Z+N...
3. A fission chain reaction. a. A neutron can cause 235U to fission, producing two daughter nuclei (tin and molybdenum) and three more neutrons. These three neutrons can then, in turn, cause three more 235U nuclei to split. One typical reaction is summarized as follows: n+25131Sn + 102Mo +3 n Find the energy released in this process (in MeV), given that MC3SU) 235.0439 u; M(3Sn) 130.9169 u; M(102Mo)-101.9103 u. b. Lise Meitner's work in 1938 predicted that the fission of...
Consider a fission reaction where a Uranium-235 nucleus absorbs
a neutron and then splits to Strontium, Xenon, and some neutrons.
If the strontium nucleus has a mass number of 89 and the Xenon
nucleus has a mass number of 144, how much energy is released in a
single reaction? Use the attached table for the atomic masses of
the nuclei. Give your answer in MeV and with 4 significant figures.
(Hint: Balance the reaction first).
Isotope Masses for Fission A...
Activity 27-5. Nuclear fusion [Accompanies Section 27-5] In one fusion reaction that occurs in the cores of certain stars, a nucleus of helium-4 (-He, with two protons and two neutrons) fuses with a nucleus of neon-20 (2°Ne, with 10 protons and 10 neutron) to form a nucleus of magnesium-24 (24Mg, with 12 protons and 12 neutrons). A gamma-ray photon (y) is also produced: He + 20Ne + 24 Mg + y (a) Rank the following nuclei in order of their...
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